Reflections

Identify line of reflection

• x axis

• y axis

• y = x

• y = -x

Identify line of reflection

• y = x

• y = -3

• y axis

• x axis

Identify line of reflection

• x axis

• y axis

• y = x

• y = -x

What is the image of Z(-1, 4) after a reflection over the y axis?

• Z'(4, -1)

• Z'(-1,-4)

• Z'(4, 1)

• Z'(1, 4)

Level 1 What is this transformation?

(x, y) ----> (-x, y)

• Reflect over the x axis

• Reflect over the y-axis

• Slide down 1

• slide left 1

Level 1 True or false: When a point is reflected across a line of symmetry, it remains the same distance from the line.

• true

• false

Level 1 Reflections over the x-axis change the ____-__________.

• y-coordinate

• x-coordinate

Level 2 Which answer shows a reflection across the x-axis?

• d

• c

• b

• a

Level 2 Triangle ABC has vertex A(5,2). Find the coordinates of A' after a reflection over the x-axis.

• A’(5, -2)

• A’(-5, -2)

• A’(-5, -2)

• A'(5,2)

Level 2 When a figure is reflected over a line of reflection, the new image is congruent to the original. True or False

• True

• False